12220890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1277}}^1$

素因数の和:1327

約数の個数: 64

約数和(自身を含む): 33125760

約数和(自身を除く): 20904870

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 29, 30, 33, 55, 58, 66, 87, 110, 145, 165, 174, 290, 319, 330, 435, 638, 870, 957, 1277, 1595, 1914, 2554, 3190, 3831, 4785, 6385, 7662, 9570, 12770, 14047, 19155, 28094, 37033, 38310, 42141, 70235, 74066, 84282, 111099, 140470, 185165, 210705, 222198, 370330, 407363, 421410, 555495, 814726, 1110990, 1222089, 2036815, 2444178, 4073630, 6110445, 12220890]

約数ペア:

[(1, 12220890), (2, 6110445), (3, 4073630), (5, 2444178), (6, 2036815), (10, 1222089), (11, 1110990), (15, 814726), (22, 555495), (29, 421410), (30, 407363), (33, 370330), (55, 222198), (58, 210705), (66, 185165), (87, 140470), (110, 111099), (145, 84282), (165, 74066), (174, 70235), (290, 42141), (319, 38310), (330, 37033), (435, 28094), (638, 19155), (870, 14047), (957, 12770), (1277, 9570), (1595, 7662), (1914, 6385), (2554, 4785), (3190, 3831)]